Home / 155,511-340,240.50

Finding the Third Proportional to 155,511 and 340,240.50

Calculator

Solution

The third proportional to 155,511 and 340,240.50 is: 744,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,511 : 340,240.50 = 340,240.50 : x
  2. Step 2: Convert to fraction form
    155,511/340,240.50 = 340,240.50/x
  3. Step 3: Cross multiply
    155,511x = 340,240.50 × 340,240.50
  4. Step 4: Simplify right side
    155,511x = 115,763,597,840.25
  5. Step 5: Solve for x
    x = 115,763,597,840.25/155,511
  6. Step 6: Final answer
    x = 744,407.78

Related Problems

Find third proportional to 77,755.50 and 170,120.25
Half scale
Find third proportional to 311,022 and 680,481
Double scale
Find third proportional to 155,513 and 340,245
Similar ratio
Find third proportional to 233,266.50 and 510,360.75
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.